Doctor profile · Federal record

Dr. Grace Eng, MD

Endocrinology, Diabetes & Metabolism Physician (CMS: Endocrinology) · Internal Medicine Physician · Emeryville, CA

  • NPI 1871552679
  • Accepts Medicare
  • 27 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
5800 Hollis St
Emeryville, CA 946082016
(510) 806-2100
fax (510) 806-2557
Additional location
300 Pasteur Dr
Palo Alto, CA 943042203
(650) 723-4000

Credentials & registration

NPPES · NUCC
NPI registered
March 2006 — 20 yrs on file
Profile last updated
April 29, 2024
Year of graduation
1999 — 27 yrs since
Specialty taxonomy
207RE0101X — NUCC code
State license (1)
California #A86467

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1871552679. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
872
Distinct HCPCS
6
Medicare allowed
$96,976
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 442 290 $109
99215 Established patient office or other outpatient visit, 40-54 minutes 198 123 $160
95251 Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report 154 55 $39
99204 New patient office or other outpatient visit, 45-59 minutes 33 33 $148
99213 Established patient office or other outpatient visit, 20-29 minutes 23 22 $74
99205 New patient office or other outpatient visit, 60-74 minutes 22 22 $202

In context: peer comparison

Among 2 peers in this city , average services per provider: 151. This provider delivers 5.8× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,445
Patients
398
Total drug cost
$774,370
Drug Type Claims Patients Total cost
Levothyroxine Sodium Generic 311 83 $5,783
Alendronate Sodium Generic 156 49 $4,708
Metformin Hcl Er (Metformin Hcl) Brand 121 43 $2,950
Ozempic (Semaglutide) Brand 120 31 $208,347
Atorvastatin Calcium Generic 115 39 $2,075
Trulicity (Dulaglutide) Brand 91 22 $200,955
Lantus Solostar (Insulin Glargine,hum.Rec.Anlog) Brand 81 27 $51,430
Rosuvastatin Calcium Generic 62 20 $3,313
Synthroid (Levothyroxine Sodium) Brand 62 17 $8,246
Jardiance (Empagliflozin) Brand 59 15 $90,689

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Grace Eng's medical specialty?
Dr. Grace Eng practices Endocrinology, Diabetes & Metabolism Physician in Emeryville, CA.
Where does Dr. Grace Eng practice?
Dr. Grace Eng practices at 5800 Hollis St, Emeryville, CA 946082016. Office phone: 5108062100.
What is Dr. Grace Eng's NPI?
Dr. Grace Eng's National Provider Identifier (NPI) is 1871552679, issued by NPPES.
Does Dr. Grace Eng accept Medicare assignment?
Yes. Dr. Grace Eng accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Grace Eng commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99215); Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report (HCPCS 95251). Source: CMS Medicare Physician & Other Practitioners file.